POLDER

POLDER (POLarization and Directionality of the Earth's Reflectances) is a passive optical imaging radiometer and polarimeter instrument developed by the French space agency CNES.

This article is about the environmental satellite radiometer. For the terrain type, see Polder.
POLDER 1
Mission typeEarth observation
OperatorCNES
WebsiteCNES Page
Spacecraft properties
Launch mass~30 kg (66 lb)
Power30W
Start of mission
Launch dateAugust 17, 1996 (UTC) (1996-08-17Z)
RocketH-II (POLDER 1)
Launch siteTanegashima Space Center
Main push broom scanner
TypeTelecentric lens
Focal length3.57 mm (0.141 in)
Wavelengths443 and 910 nm FWHM
Resolution242x548 pixels
Transponders
BandFormed broad beam pattern UHF antenna
TWTA power>5W
EIRP27.1 dBm
 
POLDER 2
Mission typeEarth observation
OperatorCNES
WebsiteCNES Page
Spacecraft properties
Launch mass~30 kg (66 lb)
Power30W
Start of mission
Launch dateDecember 14, 2002 (UTC) (2002-12-14Z)
RocketH-IIA (POLDER 1)
Launch siteTanegashima Space Center
Main push broom scanner
TypeTelecentric lens
Focal length3.57 mm (0.141 in)
Wavelengths443 and 910 nm FWHM
Resolution242x548 pixels
Transponders
BandFormed broad beam pattern UHF antenna
TWTA power>5W
EIRP27.1 dBm
 
POLDER 3
Mission typeEarth observation
OperatorCNES
WebsiteCNES Page
Spacecraft properties
Launch mass~30 kg (66 lb)
Power30W
Start of mission
Launch dateDecember 18, 2004 (UTC) (2004-12-18Z)
RocketAriane 5G
Launch siteGuiana Space Centre
Main push broom scanner
TypeTelecentric lens
Focal length3.57 mm (0.141 in)
Wavelengths443 and 910 nm FWHM
Resolution242x548 pixels
Transponders
BandFormed broad beam pattern UHF antenna
TWTA power>5W
EIRP27.1 dBm
 
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.